chore: Port of onboard-dialog to AdwDialog

bottles/frontend/ui/onboard.blp

@@ -1,17 +1,18 @@
 using Gtk 4.0;
 using Adw 1;
 
-template $OnboardDialog: Adw.Window {
-  resizable: false;
-  deletable: true;
-  modal: true;
-  default-width: 550;
-  default-height: 550;
+template $OnboardDialog: Adw.Dialog {
+  content-width: 550;
+  content-height: 550;
+  can-close: false;
 
   Box {
     orientation: vertical;
 
     Adw.HeaderBar {
+      show-start-title-buttons: false;
+      show-end-title-buttons: false;
+
       title-widget: Adw.CarouselIndicatorDots {
         carousel: carousel;
         orientation: horizontal;

bottles/frontend/windows/onboard.py

@@ -25,7 +25,7 @@
 
 
 @Gtk.Template(resource_path="/com/usebottles/bottles/onboard.ui")
-class OnboardDialog(Adw.Window):
+class OnboardDialog(Adw.Dialog):
     __gtype_name__ = "OnboardDialog"
     __installing = False
     __progress_total = 0
@@ -56,16 +56,14 @@ class OnboardDialog(Adw.Window):
 
     def __init__(self, window, **kwargs):
         super().__init__(**kwargs)
-        self.set_transient_for(window)
 
         # common variables and references
         self.window = window
         self.manager = window.manager
 
         # connect signals
-        self.connect("close-request", self.__quit)
         self.carousel.connect("page-changed", self.__page_changed)
-        self.btn_close.connect("clicked", self.__close_window)
+        self.btn_close.connect("clicked", self.__close_dialog)
         self.btn_back.connect("clicked", self.__previous_page)
         self.btn_next.connect("clicked", self.__next_page)
         self.btn_install.connect("clicked", self.__install_runner)
@@ -138,7 +136,6 @@ def set_completed(result: Result, error=False):
         self.carousel.set_allow_long_swipes(False)
         self.carousel.set_allow_mouse_drag(False)
         self.carousel.set_allow_scroll_wheel(False)
-        self.set_deletable(False)
 
         RunAsync(
             task_func=self.manager.checks,
@@ -176,9 +173,7 @@ def __update_progress(
         completed_steps = current_step if completed else max(0, current_step - 1)
 
         if self.__progress_total:
-            self.progressbar.set_fraction(
-                completed_steps / self.__progress_total
-            )
+            self.progressbar.set_fraction(completed_steps / self.__progress_total)
             self.progressbar.set_visible(True)
             self.label_progress.set_visible(True)
             self.label_progress.set_label(
@@ -191,5 +186,5 @@ def __update_progress(
             self.label_status.set_visible(True)
             self.label_status.set_label(description)
 
-    def __close_window(self, widget):
-        self.destroy()
+    def __close_dialog(self, widget):
+        self.force_close()

bottles/frontend/windows/window.py

@@ -374,7 +374,7 @@ def show_loading_view(self, widget=False):
 
     def show_onboard_view(self, widget=False):
         onboard_window = OnboardDialog(self)
-        onboard_window.present()
+        onboard_window.present(self)
 
     def show_add_view(self, widget=False):
         new_bottle_dialog = BottlesNewBottleDialog()